Condition: Used Here is a long block for a 390hp or 400hp 1967 427 Corvette or Impala with 385hp 427. This was a good running engine when pulled to replace for a matching engine. The block is dated September 6th, 1966. The heads are dated August 13th and September 15th, 1966. This originally came out of a passenger car. It has been decked a slight amount. The cylinders are standard bore with no...